added delete method

backend/src/controllers/Generic.ts

@@ -50,8 +50,26 @@ const get =
 			});
 	};
 
+const deleteDoc = (model: Model<any>) => (req: Request, res: Response) => {
+	const _id = req.params.id;
+	model
+		.findOneAndDelete<Document>({_id})
+		.then((result) => {
+			if (result) {
+				return res.status(200).send('Successfuly deleted');
+			} else {
+				return res.status(404).json({message: 'Not found'});
+			}
+		})
+		.catch((error) => {
+			console.log(error);
+			return res.status(500).json({error});
+		});
+};
+
 export default {
 	create,
 	getAll,
 	get,
+	deleteDoc,
 };

backend/src/routes/Location.ts

-import express, {Router} from 'express';
+import express, {Router, Request, Response} from 'express';
+import {Document} from 'mongoose';
 import controller from '../controllers/Generic';
 import model from '../models/Location';
+import productModel from '../models/Product';
 
 const router: Router = express.Router();
 
@@ -8,4 +10,37 @@ router.get('/', controller.getAll(model));
 router.post('/', controller.create(model));
 router.get('/:id', controller.get(model));
 
+router.delete('/:id', (req: Request, res: Response) => {
+	try {
+		const id = req.params.id;
+		if (!id.match(/^[0-9a-fA-F]{24}$/)) {
+			res.json({error: 'This is not a vaild object id'});
+			return;
+		}
+
+		productModel.find({location: id}).then((result) => {
+			if (!result.length) {
+				model
+					.findByIdAndDelete(id)
+					.then((result) => {
+						if (result) {
+							res.send(`Deleted ${result}`);
+						} else {
+							res.send(`Could not find document by this id`);
+						}
+					})
+					.catch((err) => {
+						console.log(err);
+						res.status(404).send('Not found');
+					});
+			} else {
+				res.json({error: 'Cannot delete since its used in products'});
+			}
+		});
+	} catch (err: unknown) {
+		console.log(err);
+		res.status(500).json({err});
+	}
+});
+
 export = router;

backend/src/routes/Product.ts

@@ -10,6 +10,7 @@ const router: Router = express.Router();
 
 router.get('/', controller.getAll(model, ['category', 'location']));
 router.get('/:id', controller.get(model, ['category', 'location']));
+router.delete('/:id', controller.deleteDoc(model));
 
 router.post(
 	'/',

backend/src/routes/category.ts

-import express, {Router} from 'express';
+import express, {Router, Request, Response} from 'express';
 import controller from '../controllers/Generic';
 import model from '../models/Category';
+import productModel from '../models/Product';
 
 const router: Router = express.Router();
 
 router.get('/', controller.getAll(model));
 router.post('/', controller.create(model));
 router.get('/:id', controller.get(model));
+router.delete('/:id', (req: Request, res: Response) => {
+	try {
+		const id = req.params.id;
+		if (!id.match(/^[0-9a-fA-F]{24}$/)) {
+			res.json({error: 'This is not a vaild object id'});
+			return;
+		}
 
+		productModel.find({category: id}).then((result) => {
+			if (!result.length) {
+				model
+					.findByIdAndDelete(id)
+					.then((result) => {
+						if (result) {
+							res.send(`Deleted ${result}`);
+						} else {
+							res.send(`Could not find document by this id`);
+						}
+					})
+					.catch((err) => {
+						console.log(err);
+						res.status(404).send('Not found');
+					});
+			} else {
+				res.json({error: 'Cannot delete since its used in products'});
+			}
+		});
+	} catch (err: unknown) {
+		console.log(err);
+		res.status(500).json({err});
+	}
+});
 export = router;